Butterflies of the Welsh Harp

The following is a list of butterflies recorded at Brent Reservoir (awaiting update)

  1. Grizzled Skipper Pyrgus malvae
    One record (undated)
  2. Essex Skipper Thymelicus lineola
    Breeding
  3. Small Skipper Thymelicus sylvestris
    Breeding
  4. Large Skipper Ochlodes sylvanus
    Breeding
  5. Orange-tip Anthocharis cardamines
    Breeding
  6. Large White Pieris brassicae
    Breeding
  7. Small White Pieris rapae
    Breeding
  8. Green-veined White Pieris napi
    Breeding
  9. Clouded Yellow Colias croceus
    Occasional migrant: four in the 1990s, regular in autumn 2000
  10. Brimstone Gonepteryx rhamni
    Annual, in increasing numbers, probably breeding
  11. Wall Lasiommata megera
    Bred until 1980s, now locally extinct
  12. Speckled Wood Pararge aegeria
    Breeding
  13. Small Heath Coenonympha pamphilus
    Has recently become extinct locally
  14. Ringlet Aphantopus hyperantus
    Recorded for the first time in 2009 and now established
  15. Meadow Brown Maniola jurtina
    Breeding
  16. Gatekeeper Pyronia tithonus
    Breeding and increasing
  17. Marbled White Melanargia galathea
    Now breeding following first record on 18 July 1999
  18. Dark Green Fritillary Argynnis aglaja
    One on 18 July 1999
  19. Red Admiral Vanessa atalanta
    Regular migrant, probably breeding
  20. Painted Lady Vanessa cardui
    Regular migrant, breeding
  21. Peacock Aglais io
    Breeding
  22. Small Tortoiseshell Aglais urticae
    Breeding
  23. Camberwell Beauty Nymphalis antiopa
    One on 23 April 1940
  24. Comma Polygonia c-album
    Breeding
  25. Marsh Fritillary Euphydryas aurinia
    Bred in 1700, now locally extinct
  26. Small Copper Lycaena phlaeas
    Breeding
  27. Purple Hairstreak Favonius quercus
    Breeding
  28. White-letter Hairstreak Satyrium w-album
    First seen on 20 July 1995 and now established in small numbers
  29. Holly Blue Celastrina argiolus
    Breeding
  30. Brown Argus Aricia agestis
    The only record is of one on 9 August 2015
  31. Common Blue Polyommatus icarus
    Breeding

References
Beddard R., Colmans J., Dobson J., Verrall A. (2002) “Butterflies”, in Birds of Brent Reservoir: The Natural History of the Welsh Harp (eds L. Batten, R. Beddard, J. Colmans, A. Self). London: Welsh Harp Conservation Group.

© Welsh Harp Conservation Group 2017
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